20544524

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 49201488

約数和(自身を除く): 28656964

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 733, 1001, 1078, 1274, 1466, 2002, 2156, 2548, 2932, 4004, 5131, 7007, 8063, 9529, 10262, 14014, 16126, 19058, 20524, 28028, 32252, 35917, 38116, 56441, 66703, 71834, 104819, 112882, 133406, 143668, 209638, 225764, 266812, 395087, 419276, 466921, 733733, 790174, 933842, 1467466, 1580348, 1867684, 2934932, 5136131, 10272262, 20544524]

約数ペア:

[(1, 20544524), (2, 10272262), (4, 5136131), (7, 2934932), (11, 1867684), (13, 1580348), (14, 1467466), (22, 933842), (26, 790174), (28, 733733), (44, 466921), (49, 419276), (52, 395087), (77, 266812), (91, 225764), (98, 209638), (143, 143668), (154, 133406), (182, 112882), (196, 104819), (286, 71834), (308, 66703), (364, 56441), (539, 38116), (572, 35917), (637, 32252), (733, 28028), (1001, 20524), (1078, 19058), (1274, 16126), (1466, 14014), (2002, 10262), (2156, 9529), (2548, 8063), (2932, 7007), (4004, 5131)]